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Official data from INPI

PROCESSO PARA CONCENTRAR CLORO GASOSO

Arquivada/ExtintaInvention PatentPCT · JP1990001632

Application data

Number

PI9007125

Type

Invention Patent

Filing

12/14/1990

Publication

01/28/1992

PCT

JP1990001632

Progress at the INPI

  1. Filing12/14/90
  2. Publication01/28/92
  3. Examination03/16/93
  4. Allowance12/23/97
  5. Grant10/27/98
  6. Expired05/28/13

The letters patent expired on 05/28/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mitsui Chemicals, Inc.

JP

Mitsui Toatsu Chemicals, Incorporated

JP

See this company's full portfolio

Inventors

H. I. (pessoa física)

JP

I. K. (pessoa física)

JP

S. T. (pessoa física)

JP

T. H. (pessoa física)

JP

Y. K. (pessoa física)

JP

Y. Y. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

324893/1989 · 12/16/1989

JP

75500/1990 · 03/27/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 14/12/2010

05/28/2013

RPI 2212

Transferência deferida

#25.1

Transferido ( por incorporação ) de: Mitsui Toatsu Chemicals, INC.

03/16/1999

RPI 1471

Concessão da patente

#16.1

10/27/1998

RPI 1451

Deferimento

#9.1

12/23/1997

RPI 1409

Exigência - art. 36 da LPI

#6.1

03/18/1997

RPI 1372

Solicitação de exame técnico

#4.1

03/16/1993

RPI 1163

Notificação de entrada na fase nacional - PCT

#1.3

01/28/1992

RPI 1104

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